Rounding to a required degree of accuracy

In this lesson, we will consider why estimates and rounding might be useful. We will explore rounding 7-digit numbers to the nearest multiple of 100,000 with varying degrees of accuracy.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.300 tens is equal to 3 thousands

1/5

Q2.7 460 400 is one hundred thousand larger than 7 450 400

2/5

Q3.Any number with a 2 in the millions place and a 6 in the hundred thousands place will be greater than 2 580 900

3/5

Q4.Which expression is correct?

4/5

Q5.Which expression is incorrect?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.300 tens is equal to 3 thousands

1/5

Q2.7 460 400 is one hundred thousand larger than 7 450 400

2/5

Q3.Any number with a 2 in the millions place and a 6 in the hundred thousands place will be greater than 2 580 900

3/5

Q4.Which expression is correct?

4/5

Q5.Which expression is incorrect?

5/5

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Rounding to a required degree of accuracy

Good luck!

Q1.Round the number 8,478,365 to the nearest 100,000

1/5

Q2.Round the number 1,962,354 to the nearest 100,000.

2/5

Q3.Round the number 9,571,354 to the nearest 10,000.

3/5

Q4.Round the number 4,838,646 to the nearest 10,000.

4/5

Q5.Round the number 6,232,119 to the nearest 10,000.

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Rounding to a required degree of accuracy

Good luck!

Q1.Round the number 8,478,365 to the nearest 100,000

1/5

Q2.Round the number 1,962,354 to the nearest 100,000.

2/5

Q3.Round the number 9,571,354 to the nearest 10,000.

3/5

Q4.Round the number 4,838,646 to the nearest 10,000.

4/5

Q5.Round the number 6,232,119 to the nearest 10,000.

5/5

Lesson summary: Rounding to a required degree of accuracy

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